Reception and Year 1 in England
Kindergarten number sense
22 kindergarten number sense skills, each with a worked example, free practice that checks every answer, and a printable worksheet. Start with a mixed review, or jump to the skill you need.
Mixed review
Ten questions drawn from every skill below.
Count to 20
CCSS K.CC.A.1CCSS K.CC.A.2CCSS K.CC.A.3England: Reception NumberEngland: Y1 Number and place value
Example
Fill in the missing number: 3, 4, __, 6, 7
- 4, then 5, then 6.
- 5
Answer: 5
Count objects
CCSS K.CC.B.4CCSS K.CC.B.5England: Reception Number
Example
Jamal sees 2 blue cars and 4 yellow cars. How many is that altogether?
- Start at 2, count on 4.
- 2 + 4 = 6
Answer: 6
Builds on: Count to 20
Leads to: Compare numbers to 10, Add and subtract within 5, Halves and quarters
Compare numbers to 10
CCSS K.CC.C.6CCSS K.CC.C.7England: Reception NumberEngland: Y1 Number and place value
One more, one less
CCSS K.CC.A.2England: Y1 Number and place value
Example
Sam has 4 stickers and gets 1 more. How many now?
- 4 + 1 = 5
Answer: 5
Builds on: Count to 20
Teen numbers: ten and some ones
CCSS K.NBT.A.1England: Y1 Number and place value
Builds on: Count to 20
Leads to: Count to 100 by ones and tens, Tens and ones, Add within 20, Read two ten frames: 11 to 20
Count to 100 by ones and tens
CCSS K.CC.A.1CCSS K.CC.A.2England: Y1 Number and place value
Example
Count by tens. What is missing? 30, __, 50, 60, 70
- 30 + 10 = 40
Answer: 40
Count pictures up to 5
CCSS K.CC.B.4CCSS K.CC.B.5England: Reception Number
Example
How many dots are there? ●
- 1
- There are 1.
Answer: 1
Count pictures from 6 to 10
CCSS K.CC.B.4CCSS K.CC.B.5England: Reception Number
Example
How many hearts are there? ♥ ♥ ♥ ♥ ♥ ♥ ♥ ♥
- 5 in the first line, then 3 more: 1, 2, 3, 4, 5, 6, 7, 8.
- There are 8.
Answer: 8
Read a ten frame up to 10
CCSS K.CC.B.5CCSS K.OA.A.4England: Reception Number
Example
How many dots are in this ten frame? ● ● ● ● ● ○ ○ ○ ○ ○
- 1, 2, 3, 4, 5
- There are 5 dots.
Answer: 5
Builds on: Count pictures up to 5
Leads to: Read two ten frames: 11 to 20, Make 10 using a ten frame
Read two ten frames: 11 to 20
CCSS K.NBT.A.1CCSS K.CC.B.5England: Reception NumberEngland: Y1 Number and place value
Example
How many dots are there altogether? ● ● ● ● ● ● ● ● ● ● ● ● ● ○ ○ ○ ○ ○ ○ ○
- 10 + 3 = 13
- There are 13 dots.
Answer: 13
Builds on: Read a ten frame up to 10, Teen numbers: ten and some ones
Leads to: Number bonds to 20
Choose the picture that shows a number
CCSS K.CC.A.3CCSS K.CC.B.4England: Reception Number
Example
Which group shows 1?
- This group has 1: ▲
Answer: ▲
Builds on: Count pictures up to 5
Number words zero to ten
CCSS K.CC.A.3England: Reception NumberEngland: Y1 Number and place value
Example
Write "one" as a number.
- "one" is 1.
Answer: 1
Builds on: Count pictures up to 5
Leads to: Read and write number words to 100, Number words eleven to twenty
Numbers before, after and between (to 20)
CCSS K.CC.A.2CCSS K.CC.C.7England: Reception NumberEngland: Y1 Number and place value
Example
Which number is between 11 and 15?
- 11, 12, 13, 14, 15
- 12 is between 11 and 15.
Answer: 12
Builds on: Count to 20
Count forward from any number (to 30)
CCSS K.CC.A.2England: Reception NumberEngland: Y1 Number and place value
Example
Keep counting: 21, 22, 23, __
- 23 + 1 = 24
- 24
Answer: 24
Count back from 10 and from 20
CCSS K.CC.A.2England: Reception NumberEngland: Y1 Number and place value
Example
Count back: 9, 8, 7, __
- 7 − 1 = 6
- 6
Answer: 6
Missing numbers on a hundred square
CCSS K.CC.A.1CCSS K.CC.A.2England: Y1 Number and place value
Example
This is a row of the hundred square. Which number is missing? 31, 32, 33, 34, 35, __, 37, 38, 39, 40
- 35 + 1 = 36
- 36
Answer: 36
Builds on: Count to 100 by ones and tens
Leads to: Move around a number grid to 120
Positions in a line: first to tenth
CCSS K.CC.B.4England: Y1 Number and place value
Example
Animals line up. From the front: duck, bear, cat, tiger, rabbit, monkey. Which animal is third?
- Counting from the front, number 3 is the cat.
Answer: cat
Builds on: Count to 20
Leads to: Days of the week
More, fewer or the same: compare two groups
CCSS K.CC.C.6England: Reception Number
Example
Which group has more? ● ● ● ♥
- Dots: 3. Hearts: 1.
- The dots
Answer: The dots
Builds on: Count pictures from 6 to 10
Leads to: Story problems: how many more, how many fewer (to 20)
One more and one less with pictures
CCSS K.CC.B.4cEngland: Reception NumberEngland: Y1 Number and place value
Example
There are 2 diamonds here. One more is added. How many are there now? ◆ ◆
- 2 + 1 = 3
- 3
Answer: 3
Builds on: Count pictures from 6 to 10
Zero means none
CCSS K.CC.A.3England: Reception Number
Example
There were 4 leaves in a bowl. Aisha took all 4 of them out. How many leaves are in the bowl now?
- 4 − 4 = 0
- There are 0 left.
Answer: 0
Builds on: Count pictures up to 5
Leads to: Adding and taking away zero
The count stays the same when objects move
CCSS K.CC.B.4bEngland: Reception Number
Example
Hiro counts 10 crayons in a line. Then Hiro moves them into a tall tower. None are added or taken away. How many crayons are there now?
- Still 10: moving them does not change how many.
Answer: 10
Builds on: Count pictures from 6 to 10
Number words eleven to twenty
CCSS K.CC.A.3England: Y1 Number and place value
Example
Write "nineteen" as a number.
- "nineteen" is 19.
Answer: 19
Keep exploring
More for kindergarten
Hands-on math tools
- Virtual fraction bars and fraction circles
- Interactive number line
- Virtual base ten blocks
- Multiplication arrays
- Interactive teaching clock
- Virtual money for counting practice
- Interactive coordinate plane
- Algebra balance scale
- Adding fractions with a model
- Virtual algebra tiles
- Alphabetical order game
- Virtual protractor and angle maker
- Area and perimeter builder
- Bar graph maker for kids
- Math by topicFractions, times tables, long division and more
- English and grammarNouns, verbs, commas, spelling and more
- Reading passagesShort stories with read-aloud and questions
- Science by gradePlants, forces, matter, space and more
- Printable worksheetsPrint, or do them on a tablet with a finger or pen
- Free math games3D games where every move is a math question
- Manipulatives and simulationsMath tools plus science sims: cells, atoms, forces, planets
- Fraction calculatorEvery step shown, from mixed numbers to simplest form
- Math 5-a-dayFive fresh warm-up questions every day
- Guides for parentsHow to help with fractions, tables, tests and more
Math, English and science that click.
